Roller-bearing



(No Model.)

R. w. HENT.

ROLLER BEARING. No. 413,446. Patented Oct. 22, 1889 N. FEYEKS. Phuwumogn hun-Mnmnmn; 0.0.

UNITED STATE PATENT OFFICE.

REUBEN W. HENT, OF SAN FRANCISCO, CALIFORNIA.

(ROLLER-BEARING.

SPECIFICATION forming part of Letters Patent'No. 413,446, dated October 22, 1889.

Application filed March 25, 1889. Serial No. 304,646. (No model.) A

a To all whom it may concern.-

Be it known that I, REUBEN WV. HENT, a citizen of the United States, residing in the city and county of San Francisco, and State of California, have invented a certain new and useful Improvement in Roller-Bearings, of which the following is a specification.

My invention is an improvement on my roller-bearing shown and described in my application for patent filed. April 13,1888, Serial No. 270,567, in which a ring bears at its periphery on journals of the bearing-rollers and at its inner side on journals of separatingroller's, keeping the bearing-rollers separate from each other and bearing only 011 journals of the bearing-rollers of smaller diameter than the latter rollers, and in which an outer ring bears at its inner side on the first-mentioned journals and an inner ring bears at'its periphery on said journals of the separatingrollers. In said roller-bearing, if, as is preferable, the anti-friction proportions are observed, either the separating-rollers must be of larger diameter than the journals of the bearing-rollers on which the separating-rollers bear, or the journals of the bearing-rollers on which the interposed ring bears must be of larger diameter than the journals of the separating-rollers.

My invention is an improvement also 011 my roller-bearing shown and described in my application for patent filed February 23, 1889, Serial NOT 300,887, in which a ring is interposed between journals of the bearing-rollers on its inner side and journals of the separating-rollers on its periphery, a'ring bears at its inner side on journals of the latter rollers, and a ring bears at its periphery on said journals of the bearing-rollers. In the latter roller-bearing the separating-rollers are necessarily located so near the casing that they are subject to some outward pressure both from their centrifugal force, on account of their large orbit, and from the bearing-rollers, and if the anti-friction proportions are observed, as is preferable, their diameter is such as to necessitate grooves or recesses of the casing to aiford room for their operation.

The object of my improvement is to provide a construction which will not only per- -init the observance of said proportions and yet the journals on which the interposed ring bears be of equal diameters and the separating-rollers and the journals on which the latter bear be also of equal diameters, but

tudinal center in one of its sides and recessed its ends in the other side, and by so constructing said journals that they bear only in said groove and recesses. In said ring provided with such groove and recesses in such journals, and in the peculiar construction and combinations of the parts hereinafter set forth, consists, essentially, my improvement. It is illustrated in the accompanying drawings, in which Figure 1 is an end view of a rollei bearing embodying my improvement. Fig. 2 is a 1011- gitudinalv section through the center or on the line w 00, Fig. 1, the shaft being shown in elevation. Fig. 3 is a side view of a bearingroller 'and a separating-roller, showing the relative posit-ions of the rollers as seen along the plane tangent to both. Fig. 4 is a side view of said roller-bearing as it appears after the removal of the shaft and easing, the outer ring being shown in section. Fig. 5 is a section of the rings on the line y y, Fig. 1, the journals-of the separating-rollerbeing shown in elevation. Fig. 6 is a section of the rings on the line 00 00, Fig. 1, when two outer rings are employed, the journals of the bearingroller being shown in elevation. Figs. 7 and 8 are sect-ions corresponding with sections 6 and 5, respectively, when the groove and recesses of the interposed ring are in its inner and outer sides, respectively.

A represents the shaft; A, sleeves of the shaft B, the bearing rollers B and B journals of the rollers B; B portions of the rollers B reduced in diameter, and when two outer rings are employed, as shown in Fig. 6, serving also as journals of the rollers B.

0 represents the separating-rollers; C and C the journals of the rollers C; D, the easing; E, the interposed ring; e, the groove of the ring E e, the recesses of the ring E; F,

the inner ring or rings; G, the outer ring or 4 rings, and g a groove in the ring G.

The sleeves A,with those portions of the shaft A upon which they are fitted, constitute the central journal. They are of the exact length of the bearing portions of the rollers B, and, being intended only to keep the rollers C from contact with the shaft, may be omitted if the diameter of the rollers C is permitted to be alittle smaller than that of the journals The rollers 13 bear on the central journal and the casing, and form rolling bearings either for a rotating casing or a rotating central journal. The journals B are formed at the ends of the rollers B, and, as shown in the drawings, are of smaller diameter than these rollers; but they may be mere projections of the rollers B beyond sleeves of the shaft and casing, and therefore of the same diameter. If the objectis not to reduce the speed of the axial rotations of the rollers O or to make the diameters of these rollers and the journals B equal, or to provide bearings for the rollers G that will retain their original dimensions, these journals or said projections may be omitted and the rollers G permitted to bear 011 the portions of the rollers B bearing on the central journal and the casing. The rollers C, keeping the rollers B separate from each other, are reduced in diameter portions of their lengths, so as to bear only on the journals B and the latter journals are adapted to bear only on the rollers O. The ring E is provided with a groove 6 at its longitudinal center in one of its sides, and recesses c at its ends in its.

other side, being grooved and recessed either in its outer and inner sides, respectively, Figs. 1, 2, 4, 5, and 6, or in its inner and outer sides, Figs. '7 and 8, respectively. Sufficient metal is left between the groove and the recesses to meet the requirements of the ring. The journals B and O are adapted to bear only in the groove and recesses, the journals B in the groove, Figs. 1, 2, 4c, and (-5, or the recesses, Fig. '7, in the outer side, and the journals C in the groove, Fig. 8, or the recesses, Figs. 1, 2, at, and 5, in the-inner side of the ring E. Consequently, if the ring is grooved in its outer side, each roller B has one journal B and each roller 0 two journals 0 Figs. 1*, 2, 3, 4, 5, and 6, and if the ring is grooved in its inner side each roller B has two journals B and each roller 0 one journal 0 Figs. 7 and 8. The parts B and C of the rollers adjoining the outer ends of or between the journals B or C respectively, are reduced in diameter, so that the rollers will not touch the ring E, such reduced portions serving also as journals of the rollers bearing on the rings F and G. The ring F bears at its periphery on the journals 0". If the ring E is grooved in its inner side, each roller 0 then having two journals 0*, two rings F are preferably employed, as shown in Fig. 8. The ring G is provided with a groove 9 at its longitudinal center in its inner side, or provided with flanges at its ends to keep it in its longitudinal position, and bears in its groove g on the journals B Instead of such grooved ring G, preferably two rings G, bearing at their inner sides on the journals B are employed, as shown in Fig. 6. If the ring E is grooved in its inner side, necessitating two journals B to each roller B, the ring G may be kept in its position between these journals without any groove, as shown in Fig. '7. If the depths of the groove and recesses are each equal to half the thickness of the ring E, or the sum of the depths of the groove, and a recess equals the thickness of the ring, the anti-friction proportions will require journals B and O of equal diameters, and journals B and rollers O of equal diameters also, and the ring F being employed the axes of the rollers C may be located in the sides of the square formed by the planes of the axes of the rollers B, thus preventing all. outward pressure of the rollers B on the rollers O and greatly reducing the orbit (centrif u gal force) of the latter. Preferably, th erefore, said groove and recesses are made of said depths.

The arrow-heads indicate the relative directions, when the casing is stationary, of the axial rotations of the shaft and rollers and of the rings caused by the axial rotations of the journals B B, 0 and C".

In this improved as in said roller-bearing application, Serial No. 300,887, if said proportions are observed, as is preferable, and the number of rollers B does not exceed four, as is preferable, the rollers O, the rings, and all said journals, being exempt from sliding friction and from the pressure of the load, and being mere guides, are substantially exempt from wear and changes in their dimensions, and consequently the two series of rollers will be held and kept compactly and exactly intheir proper positions relatively to each other, whatever the wear and changes in the dimensions of the parts subject thereto. The rollers C may be retained longitudinally by the ring E, or by flanges of the rollers or the journals B or by any equivalent means.

I claim as my invention 1. I11 a roller-bearing, the combination, with a series of bearing-rollers bearing on the central journal and the casing, and a series of separating-rollers keeping the bearing-rollers separate from each other, of a ring having a groove at its longitudinal center in one of its sides and recesses at its ends in its other side, andbearing in the groove or recesses in its outer side on journals of the bearing-rollers and in the groove or recesses in its inner side on journals of the separating-rollers, all substantially as set forth. I

2. In a ro1ler-bearing, the combination, with the central journal and the casing, of the series of rollers B, bearing on said j ournal' and casing and having journals B the series of nals O and the ring E, having the groove 6 and v the recesses e, and bearing in said groove and recesses on the journals B and substantially as shown and described, and for the purposes set forth.

4. In a roller-bearing, the combination, with a series of bearing-rollers bearing on the central journal and the casing, and a series of separating-rollers keeping the bearing-rollers separate from each other, of a ring having a V groove at its longitudinal center in one of its sides and recesses at its ends in its other side, and bearing in the groove or recesses in its outer side on journals of the bearing-rollers, and in the groove or recesses in its inner side on journals of the separating-rollers, and a ring bearing at its periphery on journals of the latter rollers, all substantially as set forth.

5. In a roller-bearing, the combination, with the central journal and the casing, of the series of rollers B,bearing on said journal and casing and having journals E the series of rollers O, keeping the rollers B separate from each other and having journals G and C the ring E, having the groove 6 and the recesses e, and the ring or rings F, bearing at their peripheries on the journals 0, substantially as shown and described, and for the purposes set forth. a

6. In a roller-bearing, the combination, with the central journal and the casing, of the series of bearing-rollers B, having journals B and B the series of separating-rollers O, bearing only on the journals B and having journals C and G the ring E, having the groove e and the recesses e and bearing in said groove and recesses on the ournals B and C and the ring or rings -F, bearing at their,

peripheries on the journals 0 substantially as shown and described, and for the purposes set forth.

7. In a roller-bearing, the combination, with a series of bearing-rollers bearing on the central journal and the casing, and a series of separating-rollers keepingthe bearing rollers separate from each 0th er,of a ring havinga groove at its longitudinal center in one of its sides and recesses at its ends in its other side, and bearing in the groove or recesses in its outer side on journals of the bearing-rollers and in the groove or recesses in its inner side on journals of the separating-rollers, and a ring bearing at its inner side or in a groove therein on journals of the bearing-rollers, all substantially as set forth, I

8. In a roller-bearing, the combination, with the central journal and the casing, of the se ries of rollers B, bearing on said journal and casing and having journals B the series of rollers O keeping the rollers B separate from each other and having journals C the ring E, having the groove 6 and the recesses e, and the ring G, bearing in a groove g on the journals B substantially as shown and described, and for the purposes set forth.

9. In a roller-bearing, the combination, with the central journal and the casing, of the series Ofbearing-rOllers B, having journals B B and B the series of separating-rollers 0, bearing only on the journals B and having journals C the ring E, having the groove 6 and the recesses e and bearing in said groove and recesses on the journals B and C and the ring or rings G, bearing at their inner sides on the journals B substantially as shown and described, and for the purposes set forth.

10. In a roller-bearing, the combination,

with a series of bearing-rollers bearing on the central journal and the casing, and a series of separating-rollers keeping the bearingrollers separate from each other, of a ring having a groove at its longitudinal center in one of its sides and recesses at its ends in its other side, and bearing in the groove or rerecesses in its outer side on journals of the bearing-rollers and in the groove or recesses in its inner side on journals of the separating-rollers, a ring or rings hearing at their peripheries on journals of the latterrollers, and a ring or rings bearing at their inner sides on journals of the bearing-rollers, all substantially as set forth.

11. In a roller-bearing, the combination, with the central journal and the casing, of the series of rollers B, bearing on said j0urnal and casing and having journals B and B, the series of rollers (l, keeping the rollers B separate from each other and having jour nals O and C4, the ring E, having the groove 6 and the recesses e, the ring or rings F, bearing at their peripheries on the journals C and the ring or rings G, hearing at their inner sides on the journals 13*, substantially as shown and described, and for the purposes set forth.

12. In a roller-bearing, the combination, with the central journal and the casing, of the series of bearing-rollers B, having jour nals B B and B*, the series of separatingrollers C, bearing only on the journals B and having journals 0 and (3 the ring E, having the groove 6 and the recesses e and bearing in said groove and recesses on the journals B and C the ring or rings F, bearing at their peripheries on the journals G and the ring or rings G, bearing at their inner sides on the journals B all substantially as shown and described. l

REUBEN w. HENT.

Witnesses:

} JOHN G. Hown,

McGLELLAN HANCOCK. 

